1001408404 has 12 divisors (see below), whose sum is σ = 1799828884. Its totient is φ = 487171584.

The previous prime is 1001408377. The next prime is 1001408413. The reversal of 1001408404 is 4048041001.

1001408404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 819104400 + 182304004 = 28620^2 + 13502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382989 + ... + 3383284.

Almost surely, 2^1001408404 is an apocalyptic number.

It is an amenable number.

1001408404 is a deficient number, since it is larger than the sum of its proper divisors (798420480).

1001408404 is a wasteful number, since it uses less digits than its factorization.

1001408404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766314 (or 6766312 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1001408404 is about 31645.0375888543. The cubic root of 1001408404 is about 1000.4692477721.

Adding to 1001408404 its reverse (4048041001), we get a palindrome (5049449405).

The spelling of 1001408404 in words is "one billion, one million, four hundred eight thousand, four hundred four".